22555115 has 8 divisors (see below), whose sum is σ = 29526768. Its totient is φ = 16403680.

The previous prime is 22555103. The next prime is 22555129. The reversal of 22555115 is 51155522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22555115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204992 + ... + 205101.

It is an arithmetic number, because the mean of its divisors is an integer number (3690846).

Almost surely, 2^22555115 is an apocalyptic number.

22555115 is a deficient number, since it is larger than the sum of its proper divisors (6971653).

22555115 is a wasteful number, since it uses less digits than its factorization.

22555115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410109.

The product of its digits is 2500, while the sum is 26.

The square root of 22555115 is about 4749.2225679578. Note that the first 3 decimals coincide. The cubic root of 22555115 is about 282.5411327060.

The spelling of 22555115 in words is "twenty-two million, five hundred fifty-five thousand, one hundred fifteen".